Finding the Fourth Proportional to 238,390,534.62, 328,974,544.53 and 133,967,102.04
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Solution
The fourth proportional to 238,390,534.62, 328,974,544.53 and 133,967,102.04 is: 184,872,131.97
Step by Step Solution
- Step 1: Write the proportion equation
238,390,534.62 : 328,974,544.53 = 133,967,102.04 : x - Step 2: Convert to fraction form
238,390,534.62/328,974,544.53 = 133,967,102.04/x - Step 3: Cross multiply
238,390,534.62x = 328,974,544.53 × 133,967,102.04 - Step 4: Simplify right side
238,390,534.62x = 44,071,766,375,613,032 - Step 5: Solve for x
x = 44,071,766,375,613,032/238,390,534.62 - Step 6: Final answer
x = 184,872,131.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.